CN204190442U - Electric motor intelligent charging modulator - Google Patents
Electric motor intelligent charging modulator Download PDFInfo
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- CN204190442U CN204190442U CN201420637922.9U CN201420637922U CN204190442U CN 204190442 U CN204190442 U CN 204190442U CN 201420637922 U CN201420637922 U CN 201420637922U CN 204190442 U CN204190442 U CN 204190442U
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Abstract
The utility model discloses a kind of electric motor intelligent charging modulator; It is characterized in that: this controller has system power supply, charger detection circuit, Single Chip Microcomputer (SCM) system, storage battery testing circuit, control relay circuit and charge circuit; System power supply is connected with Single Chip Microcomputer (SCM) system; Charger detection circuit is connected with Single Chip Microcomputer (SCM) system respectively with storage battery testing circuit; Single Chip Microcomputer (SCM) system control relay control circuit.This equipment is used for protector during electric motor car charging; Be applicable to the charge protection of conventional electric motor car.Easy to use, only the output of original electric car charger directly need be received on the input of this equipment, then the output of this equipment is received the charging inlet of electric motor car.On equipment, select the charging voltage of this electric motor car again, press start key and can start charging.
Description
Technical field
The utility model relates to electric motor car charging control field, is specifically a kind of electric motor intelligent charging modulator.
Background technology
At society, advocate environmental protection, electric motor car also gets more and more.The formation of electric motor car and simple, mainly comprises several parts such as vehicle body, controller, storage battery, motor.Wherein the most costly is exactly storage battery, the main maintenance still to storage battery of maintenance of electric motor car.In use, due to a lot of user's improper use, overdischarge, make storage battery internal resistance larger, concentration of electrolyte is very thin, particularly in pole plate hole and surface is almost in neutrality, and during overdischarge, internal resistance has heating tendency, volumetric expansion, when discharging current is larger, What is more occurs heating distortion in obvious heating, and at this moment lead sulfate concentration is large especially, and the possibility that there is crystal short circuit increases, moreover now lead sulfate can crystallize into larger particles, namely form irreversible sulfation, will further increase the internal resistance of storage battery, cause charging recovery capability poor.
Just because of this, when causing charging, the testing circuit of charger can't detect specified leaping voltage always, and charger is thought by mistake, and storage battery is not also full of electricity (being in fact filled with), also continue charging, storage battery will be made to overcharge heating, casing deformation, and serious also may cause fire.Show according to factual survey, general user come off duty get home start charge time be evening about 7, just pull out power supply to morning 7, and now surprised discovery charger also charging, storage battery is hot by what fill.The drawback of (new storage battery generally there will not be this problem, and the storage battery of overdischarge several times that had after using half a year is certain to occur this situation) conventional charger that Here it is (nearly all is all so on the market).
Utility model content
The purpose of this utility model is to provide a kind of electric motor intelligent charging modulator at this; This equipment is used for protector during electric motor car charging; Be applicable to the charge protection of conventional electric motor car (48V, 60V, 72V).Easy to use, only the output of original electric car charger directly need be received on the input of this equipment, then the output of this equipment is received the charging inlet of electric motor car.On equipment, select the charging voltage of this electric motor car again, press start key and can start charging.Intelligent system automatically can calculate according to the dump energy of this electric motor car the charging interval needing charging automatically, prevents from overcharging, charge less, efficiently saves, safety and environmental protection.
The utility model is achieved in that a kind of electric motor intelligent charging of structure modulator, it is characterized in that: this controller has system power supply, charger detection circuit, Single Chip Microcomputer (SCM) system, storage battery testing circuit, control relay circuit and charge circuit; System power supply is connected with Single Chip Microcomputer (SCM) system, for powering to it; Charger detection circuit is connected with Single Chip Microcomputer (SCM) system respectively with storage battery testing circuit, to Single Chip Microcomputer (SCM) system feedback information; Single Chip Microcomputer (SCM) system control relay control circuit, control relay circuit controls charge circuit.
Principle analysis: system hardware block diagram as shown in Figure 1, system voltage direct current 5V, when after system electrification for Single Chip Microcomputer (SCM) system obtains electric bringing into operation, storage battery testing circuit detects the state of storage battery afterwards, whether the output of this equipment is connected on the charging inlet of electric motor car, whether charger detection circuit detects and is inserted on the input of this equipment by the output of charger simultaneously, when detection by after, then show that all connections are normal, system enters wait state, wait for the operation of user, after the operation of user completes, system then controls according to internal processes automatic control relay control circuit the process that charge circuit completes charging and power-off.
The utility model has the advantage of: electric motor intelligent charging modulator described in the utility model is through improving, and reasonable in design, utilization ratio is high, and operating cost reduces, and is widely used in electric motor car charging control field.
This electric motor intelligent charging modulator has following features:
(1) safety: have perfect charging protection function, not worrying being full of electric charger can not the phenomenon of redirect, even if charger does not have redirect, but this equipment has detected that battery is full of, and cuts off charge circuit automatically by internal relay, stops charging.Even if all detecting elements all lost efficacy, or something unexpected happened, this product also had a final safeguard measure, and no matter whether charging complete, cut off charge circuits, the absolute safety that ensure that charging 8 little being bound to constantly.
(2) energy-conservation: the current dump energy according to electric vehicle accumulator calculates the charging interval automatically, this fills and just fills 2 hours in 2 hours, and this fills and just fills 6 hours in 6 hours, both can not waste some electric energy, also can not fill some electricity less.
(3) efficient: the action that this product cuts off charge circuit (stopping charging) has three kinds: one to be detect that the actual voltage value of battery reaches load voltage value, then stop charging.Two be by the magnetic element of internal system according to hall principle, detect that charging current is reduced to almost nil, then illustrate that charger itself has stopped charging, now then stop charging.Three is the charging intervals automatically calculated by system, and the time one arrives, then stop charging.
(4) intelligence: the Intelligent Single-Chip Based system that inner employing is stable, adopt advanced reasonably software algorithm control flow, do not need to change any hardware configurations such as the original charger of user, simple connection is only needed once to use, and the electric motor car of any model, the charger of any model is all general (electric motor car of 95% all only has this several operating voltage of 48V, 60V, 72V on the market).
(5) stablize durable: this interiors of products has multiple protection measure, has overvoltage, the protection such as under-voltage, even if charger damages, also can not cause any damage to this product.
Accompanying drawing explanation
Fig. 1 system hardware block diagram
Fig. 2 hardware elementary diagram
Fig. 3 equipment operating panel.
Embodiment
Below in conjunction with accompanying drawing 1-3, the utility model is described in detail, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of electric motor intelligent charging modulator by improvement, protector when charging for electric motor car; Be applicable to the charge protection of conventional electric motor car (48V, 60V, 72V).Easy to use, only the output of original electric car charger directly need be received on the input of this equipment, then the output of this equipment is received the charging inlet of electric motor car.On equipment, select the charging voltage of this electric motor car again, press start key and can start charging.Intelligent system automatically can calculate according to the dump energy of this electric motor car the charging interval needing charging automatically, prevents from overcharging, charge less, efficiently saves, safety and environmental protection; This controller has system power supply 1, charger detection circuit 2, Single Chip Microcomputer (SCM) system 3, storage battery testing circuit 4, control relay circuit 5 and charge circuit 6; System power supply 1 is connected with Single Chip Microcomputer (SCM) system 3, for powering to it; Charger detection circuit 2 is connected with Single Chip Microcomputer (SCM) system 3 respectively with storage battery testing circuit 4, to Single Chip Microcomputer (SCM) system 3 feedback information; Single Chip Microcomputer (SCM) system 3 control relay control circuit 5, control relay circuit 5 pairs of charge circuits 6 control.
As follows:
When 1, just having plugged system power supply AC 220V.Saturated indicator light is bright, system starts, sends voice message and " welcomes to use, wish that you have a pleasant trip ".Represent that system works is normal, afterwards when input and output that this equipment detected have any one end not connect, send voice message " charging connection wire comes off, please check battery connecting line ".Prompting terminal block.(only have when input and output port all connects upper, voice message just disappears)
2, the output of original charger is inserted the input of this equipment.
3, the output of this equipment is inserted on the charging inlet of electric motor car.(if connect normal, now voice message disappears, otherwise points out) always.
4, selection key is pressed, select the operating voltage of electric motor car.(when selectively button, corresponding operating voltage indicator light switches between 48V, 60V, 72V, prevents user from selecting wrong voltage)
Press startup button, charging indicator light is bright, and according to dump energy, system automatically calculates the time of charging and starts charging.
5, during charging complete, charging indicator light goes out, and saturated indicator light is bright, and send information of voice prompt " charging complete, battery connecting line please be disconnect, thanks ".And automatically disconnect charge circuit by device interior relay, stop charging.
As follows:
Existing market product: investigate according to actual market; electric car charger nearly all on the market does not possess over-charge protective function at present; what have some to be known as to have defencive function is all unpractical; only have and could protect when battery capacity is very high time; after storage battery uses some months capacity to reduce, all defencive functions all fail (this Cleaning Principle with them is relevant, and their Cleaning Principle is inconsiderate complete).Time this just causes storage battery to be full of electricity, charger is not checked through it and is full of, also in continuation charging, over-charging of battery will be there is, storage battery will generate heat, cause electrolyte electrolysis in storage battery too fast, produce gas, make the bulge of battery case protuberance, deform, the consequence that the lighter produces is the serious curtailment storage battery life-span, heavy then due to storage battery deformation, the sulfuric acid of the inside is revealed, corrode, also fire can be caused, and can not charge according to the real surplus electricity of storage battery (charger 100% on the market can not), originally only need just be full of for 2 hours, result has but filled 5 hours, cause the waste of electric energy, also result in potential safety hazard.
This products characteristics after improving:
Safety: have perfect charging protection function, not worrying being full of electric charger can not the phenomenon of redirect, even if charger does not have redirect, but this equipment has detected that battery is full of, and cuts off charge circuit automatically by internal relay, stops charging.Even if all detecting elements all lost efficacy, or something unexpected happened, this product also had a final safeguard measure, and no matter whether charging complete, cut off charge circuits, the absolute safety that ensure that charging 8 little being bound to constantly.
Energy-conservation: the current dump energy according to electric vehicle accumulator calculates the charging interval automatically, this fills and just fills 2 hours in 2 hours, and this fills and just fills 6 hours in 6 hours, both can not waste some electric energy, also can not fill some electricity less.
Efficient: the action that this product cuts off charge circuit (stopping charging) has three kinds: one to be detect that the actual voltage value of battery reaches load voltage value, then stop charging.Two be by the magnetic element of internal system according to hall principle, detect that charging current is reduced to almost nil, then illustrate that charger itself has stopped charging, now then stop charging.Three is the charging intervals automatically calculated by system, and the time one arrives, then stop charging.
Intelligence: the Intelligent Single-Chip Based system that inner employing is stable, adopt advanced reasonably software algorithm control flow, do not need to change any hardware configurations such as the original charger of user, simple connection is only needed once to use, and the electric motor car of any model, the charger of any model is all general (electric motor car of 95% all only has this several operating voltage of 48V, 60V, 72V on the market).
Stablize durable: this interiors of products has multiple protection measure, have overvoltage, the protection such as under-voltage, even if charger damages, also can not cause any damage to this product.
: system hardware block diagram is as shown in Figure 1, system voltage direct current 5V, when after system electrification for Single Chip Microcomputer (SCM) system obtains electric bringing into operation, storage battery testing circuit detects the state of storage battery afterwards, whether the output of this equipment is connected on the charging inlet of electric motor car, whether charger detection circuit detects and is inserted on the input of this equipment by the output of charger simultaneously, when detection by after, then show that all connections are normal, system enters wait state, wait for the operation of user, after the operation of user completes, system then controls according to internal processes automatic control relay control circuit the process that charge circuit completes charging and power-off.
: the element used among the hardware circuit of this system has STC5202AD single-chip microcomputer, DC5V relay, resistance, electric capacity, crystal oscillator, potentiometer, diode, triode tongue tube, indicator light etc. as shown in Figure 2.
Single-chip minimum system: the minimum work system of STC12C5202AD single-chip microcomputer is made up of the electric capacity of the crystal oscillator of a 12MHZ and two 27pF, had the program in its ability single-chip microcomputer to run, more remaining circuit expand all on this basis.
RS232 interface: one of function, RS232 serial input terminal is used for downloading to Single Chip Microcomputer (SCM) system by software corresponding on computer specially, function two, TX and RX pin wherein has also received options button on control panel and start key respectively.
Input detects: input testing circuit is the voltage of the charger detected.Utilize the partial pressure type circuit that the resistance R6 of potentiometer W1 and 80K of 10K is formed.Regulator potentiometer W1, make W1/R6=1/15, the AD pin (the digital-to-analogue conversion pin P1.7 of single-chip microcomputer inside) of single-chip microcomputer is then sent to by 1/15 of input terminal voltage, by the mode of electric resistance partial pressure, the analog voltage of charger is converted to the digital information of monolithic function identification, for sequential operation.
Output detects: output testing circuit is the voltage of the storage battery detected.Utilize the partial pressure type circuit that the resistance R8 of potentiometer W2 and 80K of 10K is formed.Regulator potentiometer W2, make W2/R8=1/15, then be sent to the AD pin (the digital-to-analogue conversion pin P1.6 of single-chip microcomputer inside) of single-chip microcomputer by 1/15 of battery voltage, by the mode of electric resistance partial pressure, the analog voltage of storage battery be converted to the digital information of monolithic function identification, for sequential operation.
Control relay circuit: DC5V relay throw cutter end 2(common port) be connected with the positive pole of electric motor car charging inlet, normally opened contact 4 is connected with the positive pole of charger, normally closed tactile 5 are connected with the positive pole of saturated indicator light LED5 by current-limiting resistance R11, to ensure that in charging process the saturated indicator light charger that goes out directly is connected with electric motor car charging inlet, charge to electric motor car, charge complete, saturated indicator light is bright, cuts off this process of line of charger and charging inlet.GND is directly received in one end of relay coil, the other end is connected with the collector electrode of PNP triode, the emitter of triode meets power supply VCC, base stage is received on the P1.4 pin of single-chip microcomputer by a current-limiting resistance R2, single-chip microcomputer send control signal can by this triode come control relay coil electric and dead electricity, thus control charge circuit.
Power protecting circuit: the protective tube FU1 of the 500mA that connects at the positive pole of system power supply, prevent the too high damage brought of system voltage, electric capacity C8, C9 form filter circuit, carry out filtering, system works is obtained more stable to the power supply of system.
In actual application, with normally employing the electric motor car of 48V of a year as test, the dump energy starting storage battery when charging is all 45V, when this equipment useless when user come home from work evening from 7 o'clock charge, get up to find charger morning 7 also in charging, and storage battery is hot, pull out when charger inserts again at once and find that this is that saturated indicator light just lights, charging interval does not more originally need 12 hours in fact, (54-45) within * 34=5 hour, definitely can be full of, therefore fill 12 hours how not hot! Add this equipment on this basis, test condition is constant, gets up to find that the saturated indicator light of charger and this equipment lights morning, the sign that storage battery does not at all generate heat.And distance twice contrast of actual travel, about the same.
Actually show, use this equipment can available protecting electric vehicle accumulator and charger, charge energy-saving safe more.
: according to factual survey, domestic market there is no product like this type of, no matter profile is how for charger, its operation principle is mostly the same, when which results in new electric motor car, charging has no impact, and it is suitable bad just to there will be generate heat hot distortion etc. of storage battery when using the electric motor car of half a year more than charge, for a long time so, not only reduce the storage battery life-span, and easily security incident occurs.
Between this, this equipment have safe, energy-conservation, efficient, intelligent, stablize durable etc. feature, easily solve electric motor car charging time problem, believe the very large market that is bound to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. an electric motor intelligent charging modulator, is characterized in that: this controller has system power supply (1), charger detection circuit (2), Single Chip Microcomputer (SCM) system (3), storage battery testing circuit (4), control relay circuit (5) and charge circuit (6); System power supply (1) is connected with Single Chip Microcomputer (SCM) system (3), for powering to it; Charger detection circuit (2) is connected with Single Chip Microcomputer (SCM) system (3) respectively with storage battery testing circuit (4), to Single Chip Microcomputer (SCM) system (3) feedback information; Single Chip Microcomputer (SCM) system (3) control relay control circuit (5), control relay circuit (5) controls charge circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637922.9U CN204190442U (en) | 2014-10-30 | 2014-10-30 | Electric motor intelligent charging modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637922.9U CN204190442U (en) | 2014-10-30 | 2014-10-30 | Electric motor intelligent charging modulator |
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| Publication Number | Publication Date |
|---|---|
| CN204190442U true CN204190442U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420637922.9U Expired - Fee Related CN204190442U (en) | 2014-10-30 | 2014-10-30 | Electric motor intelligent charging modulator |
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| CN (1) | CN204190442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168158A (en) * | 2017-05-19 | 2017-09-15 | 义乌志星汽车零部件制造有限公司 | Intelligent power relay-set and control method |
-
2014
- 2014-10-30 CN CN201420637922.9U patent/CN204190442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168158A (en) * | 2017-05-19 | 2017-09-15 | 义乌志星汽车零部件制造有限公司 | Intelligent power relay-set and control method |
| CN107168158B (en) * | 2017-05-19 | 2019-03-26 | 义乌志星汽车零部件制造有限公司 | Intelligent power relay-set and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |